.music-container{
    width: 1000px;
    margin: 0 auto;
}
.music-container ul{
    list-style:none
}

.music-container .top-nav li{
    float:left;
}

.music-container .top-nav li a{
    display: block;
    padding: 30px 20px;
    font-size: 16px;
}

.music-container .top-nav .active{
    background: rgb(49, 194, 124);
    color: white;
}
hr{
    display:block;
    clear:both;
    margin: 5px 0;
}
.music-container .nav{
    clear:both;
}

.music-container .nav li{
    float: left;
    padding: 10px 25px;
}

.music-container .nav .active{
    color: rgb(49, 194, 124);
}